The Alinco DR-735 is a versatile and feature-rich dual-band mobile transceiver designed for amateur radio enthusiasts and professionals. Combining a robust construction, advanced technology, and user-friendly interface, the DR-735 offers users a comprehensive communication solution for various applications.
Operating on both VHF (144-148 MHz) and UHF (420-450 MHz) frequency bands, the DR-735 provides extensive frequency coverage for local and long-distance communication. Its dual-band capability allows for simultaneous monitoring of two frequencies or bands, enhancing operational flexibility and adaptability to diverse communication needs.
One of the key features of the DR-735 is its high-power output, with a maximum output power of 50 watts on both VHF and UHF bands. This ensures reliable communication over extended distances and in challenging operating conditions, making it suitable for both urban and rural environments.
The DR-735 features a large, multifunctional color display with an intuitive menu-driven interface, allowing for easy navigation of menus, frequency selection, and feature activation. The display provides clear and legible information, including frequency, channel name, signal strength, and battery status, ensuring quick and efficient communication even in low-light conditions or while on the move.
In addition to its basic communication features, the DR-735 offers a wide range of auxiliary functions and connectivity options. These include programmable memory channels, channel scan function, adjustable squelch control, built-in CTCSS/DCS encoder/decoder, and detachable front panel for remote mounting. These features allow users to customize their communication experience and optimize performance according to their specific needs and preferences.
The DR-735's performance is further enhanced by its high-quality receiver and transmitter circuitry, which provide excellent sensitivity and selectivity for clear and reliable communication. The transceiver's rugged construction ensures durability and reliability even in harsh operating environments, making it suitable for outdoor and field use.
Overall, the Alinco DR-735 is a versatile and capable dual-band mobile transceiver that offers advanced features, reliable performance, and ease of use. Whether for everyday communication, emergency preparedness, or participation in amateur radio activities, the DR-735 provides users with a flexible and powerful solution for their communication needs. Its high-power output, multifunctional color display, and comprehensive feature set make it a popular choice among amateur radio operators seeking a high-quality transceiver for a variety of operating environments and applications.
Strengths:
Dual-Band Capability: The Alinco DR-735 supports both VHF and UHF frequency bands, allowing for simultaneous monitoring of two frequencies or bands. This enhances operational flexibility and adaptability to diverse communication needs, making it suitable for various applications.
High-Power Output: With a maximum output power of 50 watts on both VHF and UHF bands, the DR-735 ensures reliable communication over extended distances and in challenging operating conditions. This high-power output makes it suitable for both urban and rural environments.
Multifunctional Color Display: The DR-735 features a large color display with an intuitive menu-driven interface, providing easy navigation of menus, frequency selection, and feature activation. The display offers clear and legible information, enhancing usability even in low-light conditions or while on the move.
Weaknesses:
Complex Programming: Programming the DR-735 and accessing its advanced features may be challenging for novice users, especially those who are unfamiliar with amateur radio equipment or digital communication technologies. The transceiver's menu structure and programming interface may require some time and effort to master.
Limited Detachable Front Panel: While the DR-735 features a detachable front panel for remote mounting, the detachable panel may have limited flexibility in terms of mounting options and positioning. Users may find it challenging to find suitable mounting locations, especially in vehicles or constrained spaces.
Price: The DR-735 is priced at a premium compared to entry-level or mid-range mobile transceivers, making it less accessible to budget-conscious users. While it offers advanced features and capabilities, the higher price point may be a deterrent for users who are looking for a more affordable option.
The Alinco DR-735 specifications:
Frequency Range:
- TX (USA): VHF 144-147.995 MHz, UHF 430-449.995 MHz
- TX (Europe): VHF 144-145.995 MHz, UHF 430-439.995 MHz
- RX: 108-173.995 MHz, 400.000-479.995 MHz
Modulation Modes:
- FM/8K50F3E (Narrow FM)/F2D (1200bps)
- A3E (RX only/AM)
Channel Steps: 5, 6.25, 8.33, 10, 12.5, 15, 20, 25, 30, 50, 100KHz
Memory Channels: 1000 programmable channels, R+L 100 each, dual 100, VHF CALL & UHF CALL 1 each, 5 pairs program scan
Antenna Impedance: 50 ohm unbalanced
Frequency Stability: +/- 2.5ppm
Power Supply Requirement: 13.8V DC +/- 15%, Negative ground
Current Drain: Approx. 12A TX high, 0.6A RX max, 0.4A RX squelched
Operating Temperature: -10°C to +60°C (+14°F to 140°F)
Dimensions: 140mm (W) x 60mm (H) x 188mm (D)
Weight: Approximately 1.3kg or 45.9oz